Calibration

LABBench2 → Vals MMLU-Pro

Name: benchgap: LLM benchmark scores, measured and estimated
Creator: benchgap

Vals MMLU-Pro is estimated from LABBench2 with a Michaelis–Menten + offset curve fitted on 6 models measured on both: y = 0.0000 + 2.0000·x / (1.02637 + x), R² = 0.55, cross-validated error 1.4 pp. It is used for 1 estimate.

Estimated model	LABBench2	Vals MMLU-Pro	Source
Gemini 4 Argon	88.8%	92.8%	estimated ± 1.4 pp, low confidence